/Engine/Source/Runtime/MovieSceneCapture/Public/Protocols/FrameGrabberProtocol.h
class UFrameGrabberProtocol : public [UMovieSceneImageCaptureProtocolBase](API\Runtime\MovieSceneCapture\UMovieSceneImageCaptureProtocolB-)
EPixelFormat
DesiredPixelFormat
The pixel format we want to capture in
uint32
RingBufferSize
The size of the render-target resolution surface ring-buffer